* momoka_ergo.h: use modified QMK 3-character notation
Renames the matrix position arguments to use QMK's K<row><column> notation, but using L or R for the left and right halves, respectively.
* physically arrange layout macro
Arrange the layout macro and keycodes to resemble the assembled keyboard.
* info.json: rebuild LAYOUT data
Fixes mispositioned keys in QMK Configurator.
